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cavity simulation illustration was totally different from original in paper |
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October 11, 2016, 18:58 |
cavity simulation illustration was totally different from original in paper
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#1 |
Member
Linyan X
Join Date: Dec 2015
Posts: 43
Rep Power: 10 |
Hello all,
I am a newbie to OpenFOAM. I currently struggling for the replication of lid driven cavity. I tried to replicate the pictures that showed on one paper using 1st order time discretization and 2nd order for the rest discretization in N-S equation. The illustration was supposed to have two vortexes at bottom-right of the 1x1 cavity model at Re=10000(the expected illustration is attached below). However, in my layout with openfoam, there was just one vortex exist at the bottom-right with sufficient running time. I utilized the icoFoam package and increased the mesh size with 601x601 which I think is sufficient to the 1x1 model. But the result is not satisfied. Bearing in mind that many people use this 1x1 cavity to test the code. I think it is easy to be replicated. Can anyone please give me some suggestion in my case? I’d appreciate any help! |
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October 13, 2016, 11:18 |
Problem solved
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#2 |
Member
Linyan X
Join Date: Dec 2015
Posts: 43
Rep Power: 10 |
It seems like I misunderstood the concept between laminar-turbulent and steady-transient. Additionally, chose pisoFoam instead of icoFoam, it works. But to calculate the fine grid, it will take time to see the final illustrations.
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cavity flow, replicate, vortex |
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